#155347
Closest named color: Dark Blue Green (#005249). oklch(40% 0.065 177.1), rgb(21, 83, 71).
Aa
White text reads best on this color (8.89:1).
About this color
#155347 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.065 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.010 away. White text reads best on it, at 8.89:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #155347 |
| RGB | rgb(21, 83, 71) |
| HSL | hsl(168, 60%, 20%) |
| OKLCH | oklch(40% 0.065 177.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #155347 | 8.89:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #155347 | 2.36:1 | Fails | Lc 13.9 | Not readable |
| #155347 text on white | 8.89:1 | AAA | Lc 90.1 | Preferred for body text |
| #155347 text on black | 2.36:1 | Fails | Lc -12.2 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C7DFD9
oklch(88.4% 0.027 179)
-
Step 300
300
#A0CBC0
oklch(80.8% 0.048 177.7)
-
Step 400
400
#68B1A0
oklch(70.8% 0.078 177.3)
-
Step 500
500
#359D88
oklch(63.1% 0.1 176.8)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900 (this color)
#155347
oklch(40% 0.065 177.1)
-
Step 950
950
#0B2D26
oklch(27% 0.041 176.9)
#155347 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #504D46 | 0.069 |
| Deuteranopia (no green cones) | #474748 | 0.066 |
| Tritanopia (no blue cones) | #00544F | 0.014 |
| Achromatopsia (no color) | #4A4A4A | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155347
#155347
oklch(40% 0.065 177.1)
- #643848
#643848
oklch(40% 0.066 357.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #155347, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.010
- Dark Teal #014D4E ΔE 0.029
- Deep Teal #00555A ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.032
- Spruce #0A5F38 ΔE 0.053
- Pine #2B5D34 ΔE 0.054
- Dark Green Blue #1F6357 ΔE 0.054
- Charcoal #264653 ΔE 0.055
Use #155347 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.